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Finding the Fourth Proportional to 1,876.56, 2,798.97 and 1,768.15

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Solution

The fourth proportional to 1,876.56, 2,798.97 and 1,768.15 is: 2,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.56 : 2,798.97 = 1,768.15 : x
  2. Step 2: Convert to fraction form
    1,876.56/2,798.97 = 1,768.15/x
  3. Step 3: Cross multiply
    1,876.56x = 2,798.97 × 1,768.15
  4. Step 4: Simplify right side
    1,876.56x = 4,949,008.93
  5. Step 5: Solve for x
    x = 4,949,008.93/1,876.56
  6. Step 6: Final answer
    x = 2,637.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.